.icon-48-simplelisting {
    background-image: url('img/simplelisting-48.png');
}

.icon-48-config {
    background-image: url('img/simplelisting-48.png');
}

.icon-48-fields {
    background-image: url('img/simplelisting-48-f.png');
}
.icon-48-info {
    background-image: url('img/simplelisting-48-i.png');
}
